linux-kernel - [PATCH 1/4] dt-bindings: Add Broadcom STB USB support

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Message-Id: <20200313141545.31943-2-alcooperx@gmail.com>
Date:   Fri, 13 Mar 2020 10:15:42 -0400
From:   Al Cooper <alcooperx@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Al Cooper <alcooperx@...il.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        bcm-kernel-feedback-list@...adcom.com,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Johan Hovold <johan@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-usb@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Rob Herring <robh@...nel.org>
Subject: [PATCH 1/4] dt-bindings: Add Broadcom STB USB support

Add DT bindings for Broadcom STB USB EHCI and XHCI drivers.

NOTE: The OHCI driver is not included because it uses the generic
      platform driver.

Signed-off-by: Al Cooper <alcooperx@...il.com>
---
 .../bindings/usb/brcm,bcm7445-ehci.yaml       | 60 +++++++++++++++++++
 .../devicetree/bindings/usb/usb-xhci.txt      |  1 +
 2 files changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml

diff --git a/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
new file mode 100644
index 000000000000..ad570ca4ca6d
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/brcm,bcm7445-ehci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom STB USB EHCI Controller Device Tree Bindings
+
+allOf:
+  - $ref: "usb-hcd.yaml"
+
+maintainers:
+  - Al Cooper <alcooperx@...il.com>
+
+properties:
+  compatible:
+    contains:
+      const: brcm,bcm7445-ehci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: Clock specifier for the EHCI clock
+
+  clock-names:
+    const: sw_usb
+
+  phys:
+    description: PHY specifier for the USB PHY
+
+  phy-names:
+    const: usbphy
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - phys
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    ehci@...00300 {
+        compatible = "brcm,bcm7445-ehci";
+        reg = <0xf0b00300 0xa8>;
+        interrupts = <0x0 0x5a 0x0>;
+        interrupt-names = "usb0_ehci_0";
+        phys = <&usbphy_0 0x0>;
+        phy-names = "usbphy"
+        clocks = <&usb20>;
+        clock-names = "sw_usb"
+    };
+...
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 3f378951d624..aafc316b5a8e 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -23,6 +23,7 @@ Required properties:
       device
     - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 or RZ/G2 compatible
       device
+    - "brcm,bcm7445-xhci" for Broadcom STB SoCs with XHCI
     - "xhci-platform" (deprecated)
 
     When compatible with the generic version, nodes must list the
-- 
2.17.1